英语词汇polar regions是什么意思，polar regions的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	polar regions
释义	DEFINITIVE EXAMPLES 权威例句〔bipolar〕Relating to or involving both of the earth's polar regions.南北两极的：关于或涉及地球两极地区的美国传统〔circumpolar〕Located or found in one of the Polar Regions.环极的，围绕极地的：位于或发现于一个极地区域中的美国传统〔permafrost〕Permanently frozen subsoil, occurring throughout the Polar Regions and locally in perennially frigid areas.永冻土：永久冰冻的下层土壤，出现在整个北极地区和部分长期寒冷的地区美国传统〔snow line〕The fluctuating latitudinal boundaries around the polar regions marking the extent of snow cover.万年雪线：在两极地区标志着雪盖波动范围的纬度边界美国传统〔transpolar〕Extending across or crossing either of the Polar Regions.横越极地：任一个横越或穿过两个极地地区中的美国传统
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